US Patent Issued to IPV on Aug. 5 for "Pump" (South Korean Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,210, issued on Aug. 5, was assigned to IPV (Seoul, South Korea).

"Pump" was invented by Do Kyung Lee (Hwaseong-si, South Korea), Joon Sung Jeon (Yongin-si, South Korea) and Young Wook Chang (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a pump including a housing having a shaft hole, a membrane assembly disposed inside the housing, and a shaft assembly mounted on the housing. The shaft assembly includes a shaft inserted into the shaft hole, and a sealing member disposed on an end portion of the shaft and having a plurality of contact regions on an inner surface of the housing along a longitudinal di...